CN213451973U - Connecting mechanism of valve actuator - Google Patents
Connecting mechanism of valve actuator Download PDFInfo
- Publication number
- CN213451973U CN213451973U CN202022220490.XU CN202022220490U CN213451973U CN 213451973 U CN213451973 U CN 213451973U CN 202022220490 U CN202022220490 U CN 202022220490U CN 213451973 U CN213451973 U CN 213451973U
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- valve body
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Abstract
The utility model discloses a valve actuator's coupling mechanism, valve actuator includes: executor and valve body, coupling mechanism includes: the upper end of the columnar shaft sleeve is fixedly connected with the actuator, an inward chamfer is arranged at the lower end of the columnar shaft sleeve, a locking hole is formed in one side of the columnar shaft sleeve, the connecting sleeve is sleeved outside the columnar shaft sleeve, a steel ball is convexly arranged on the sleeve wall of the connecting sleeve, the connecting sleeve is clamped in a mounting hole of the valve body through the convexly arranged steel ball, and an output shaft of the actuator is connected with a valve rod of the valve body in an inserting mode. The utility model relates to a valve actuator's coupling mechanism, its is rational in infrastructure, and is convenient for dismantle valve body and executor, improves the work efficiency when changing the maintenance executor.
Description
Technical Field
The utility model relates to a coupling mechanism of valve actuator.
Background
The actuator is a device which takes signals of an adjusting instrument or other control devices as input signals in an industrial production process automatic control system and adjusts the input quantity of a controlled object according to a certain adjusting rule, and the valve actuator is a valve driving device commonly used in an industrial intelligent control system. The existing valve actuator is complex to install, low in working efficiency due to long maintenance time, and poor in stability and sealing performance, and the production efficiency is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve actuator's coupling mechanism, its is rational in infrastructure, and the installation or the dismantlement of the executor of being convenient for on the valve body improve the work efficiency when changing the maintenance executor.
In order to achieve the above object, the technical solution of the present invention is to design a connecting mechanism of a valve actuator, the valve actuator includes: executor and valve body, the lower part of executor is equipped with the output shaft of erectting putting, the inside mounting hole that is equipped with of valve body, be equipped with the valve rod in the mounting hole, the output shaft is pegged graft mutually with the valve rod, its characterized in that, coupling mechanism includes: a columnar shaft sleeve and a connecting sleeve;
the columnar shaft sleeve is sleeved outside the output shaft, the upper end of the columnar shaft sleeve is fixedly connected with the actuator, an inward chamfer is arranged at the lower end of the columnar shaft sleeve, and a locking hole is formed in one side of the columnar shaft sleeve;
the upper portion of adapter sleeve has set firmly first locating ring, same one side of first locating ring is equipped with the locking through-hole, be equipped with the stop pin in the locking through-hole, the adapter sleeve passes through the fixed cover of interference fit of stop pin and locking hole to be established the outside of column axle sleeve, be equipped with a plurality of through-holes around axle center evenly distributed on the cover wall of adapter sleeve lower part, all be equipped with a steel ball that can free activity nevertheless can not fall out in each through-hole, the inner wall of mounting hole is equipped with the conical surface of the outside extension of round, the adapter sleeve is in through protruding steel ball and the conical surface joint of locating the cover wall in the mounting hole.
Preferably, a circumferential positioning column is convexly arranged on the end face of the valve body, and a positioning hole for accommodating the circumferential positioning column is formed in the lower end face of the first positioning ring.
Preferably, a second positioning ring is fixedly arranged between the actuator and the cylindrical shaft sleeve.
Preferably, the end face of the insertion position of the output shaft and the valve rod is provided with a plug connector, the plug connector comprises two symmetrical fan-shaped convex blocks arranged on the end face, and the area of the two fan-shaped convex blocks occupies half of the area of the end face.
Preferably, the number of the through holes for placing the steel balls on the sleeve wall of the connecting sleeve is two.
The utility model has the advantages and the beneficial effects that: the connecting mechanism of the valve actuator is reasonable in structure, the actuator can be conveniently mounted or dismounted on the valve body, and the working efficiency of replacing and maintaining the actuator is improved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the plug of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1 to 3, a coupling mechanism of a valve actuator, the valve actuator comprising: executor 1 and valve body 2, the lower part of executor 1 is equipped with the output shaft 3 of putting perpendicularly, 2 inside mounting holes 4 that are equipped with of valve body, be equipped with valve rod 5 in the mounting hole 4, output shaft 3 pegs graft mutually with valve rod 5, its characterized in that, coupling mechanism includes: a columnar shaft sleeve 6 and a connecting sleeve 7;
the columnar shaft sleeve 6 is sleeved outside the output shaft 3, the upper end of the columnar shaft sleeve 6 is fixedly connected with the actuator 1, an inward chamfer 8 is arranged at the lower end of the columnar shaft sleeve 6, and a locking hole 9 is arranged at one side of the columnar shaft sleeve 6;
the upper portion of adapter sleeve 7 has set firmly first locating ring 10, same one side of first locating ring 10 is equipped with locking through hole 11, be equipped with stop pin 12 in the locking through hole 11, adapter sleeve 7 passes through the fixed cover of interference fit of stop pin 12 and locking hole 9 and establishes the outside of column axle sleeve 6, be equipped with a plurality of through-holes 13 around axle center evenly distributed on the mantle wall 12 of adapter sleeve 7 lower part, but all be equipped with a free activity in each through-hole 13 and nevertheless can not fall out steel ball 14, the inner wall of mounting hole 4 is equipped with the conical surface 15 of round outside extension, adapter sleeve 7 is in through protruding steel ball 14 and the conical surface 15 joint of locating mantle wall 12 in the mounting hole 4.
A circumferential positioning column 16 is convexly arranged on the end face of the valve body 2, and a positioning hole 17 for accommodating the circumferential positioning column 16 is arranged on the lower end face of the first positioning ring 10.
A second positioning ring 18 is fixedly arranged between the actuator 1 and the cylindrical shaft sleeve 6.
The end faces of the splicing parts of the output shaft 3 and the valve rod 5 are provided with the splicing heads 20, each splicing head 20 comprises two fan-shaped convex blocks 21 which are symmetrically arranged on the end face, and the area of each fan-shaped convex block 21 occupies half of the area of the end face.
The number of the through holes 13 for placing the steel balls 14 on the sleeve wall 12 of the connecting sleeve 7 is two.
When the connecting sleeve is used, the connecting sleeve 7 is inserted into the mounting hole 4 of the valve body 2, the first positioning ring 10 at the upper part of the connecting sleeve 7 abuts against the end face of the valve body 2, the positioning hole 17 of the first positioning ring 10 is inserted into the circumferential positioning column 16 on the end face of the valve body 2, so that the connecting sleeve 7 is circumferentially fixed with the mounting hole 4, the columnar shaft sleeve 6 fixedly arranged at the lower part of the actuator 1 is inserted into the connecting sleeve 7, the output shaft 3 of the actuator 1 is inserted into the valve rod 5 in the valve body 2, the steel ball 14 in the connecting sleeve 7 is pushed out of the sleeve wall 12 by the chamfer 8 at the lower end of the columnar shaft sleeve 6, the steel ball 14 protruding out of the sleeve wall 12 of the connecting sleeve 7 is clamped on the conical surface 15 of the mounting hole 4 of the valve body 2, so that the connecting sleeve 7 is axially fixed with the mounting hole 4, and then the locking pin 12 at the side surface of the first positioning.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A valve actuator coupling mechanism, the valve actuator comprising: executor and valve body, the lower part of executor is equipped with erects the output shaft of putting, the inside mounting hole that is equipped with of valve body, be equipped with the valve rod of erectting the putting in the mounting hole, the output shaft is pegged graft mutually with the valve rod, its characterized in that, coupling mechanism includes: a columnar shaft sleeve and a connecting sleeve;
the columnar shaft sleeve is sleeved outside the output shaft, the upper end of the columnar shaft sleeve is fixedly connected with the actuator, an inward chamfer is arranged at the lower end of the columnar shaft sleeve, and a locking hole is formed in one side of the columnar shaft sleeve;
the upper portion of adapter sleeve has set firmly first locating ring, same one side of first locating ring is equipped with the locking through-hole, be equipped with the stop pin in the locking through-hole, the adapter sleeve passes through the fixed cover of interference fit of stop pin and locking hole to be established the outside of column axle sleeve, be equipped with a plurality of through-holes around axle center evenly distributed on the cover wall of adapter sleeve lower part, all be equipped with a steel ball that can free activity nevertheless can not fall out in each through-hole, the inner wall of mounting hole is equipped with the conical surface of the outside extension of round, the adapter sleeve is in through protruding steel ball and the conical surface joint of locating the cover wall in the mounting hole.
2. The connecting mechanism of claim 1, wherein the valve body has a circumferential positioning post protruding from an end surface thereof, and the first positioning ring has a positioning hole formed on a lower end surface thereof for receiving the circumferential positioning post.
3. The valve actuator linkage of claim 2, wherein a second retaining ring is secured between the actuator and the cylindrical sleeve.
4. The connecting mechanism of valve actuator as claimed in claim 3, wherein the end faces of the output shaft and the valve rod are provided with the connecting plugs, each connecting plug comprises two symmetrical sector-shaped convex blocks arranged on the end faces, and the area of the two sector-shaped convex blocks occupies half of the area of the end faces.
5. The connecting mechanism of valve actuator as claimed in claim 4, wherein the number of the through holes for placing the steel balls on the sleeve wall of the connecting sleeve is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220490.XU CN213451973U (en) | 2020-10-09 | 2020-10-09 | Connecting mechanism of valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220490.XU CN213451973U (en) | 2020-10-09 | 2020-10-09 | Connecting mechanism of valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451973U true CN213451973U (en) | 2021-06-15 |
Family
ID=76288077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022220490.XU Active CN213451973U (en) | 2020-10-09 | 2020-10-09 | Connecting mechanism of valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685601A (en) * | 2021-08-24 | 2021-11-23 | 厦门华夏国际电力发展有限公司 | Non-stop valve electric actuator replacement method, debugging assembly and electric actuator |
-
2020
- 2020-10-09 CN CN202022220490.XU patent/CN213451973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685601A (en) * | 2021-08-24 | 2021-11-23 | 厦门华夏国际电力发展有限公司 | Non-stop valve electric actuator replacement method, debugging assembly and electric actuator |
| CN113685601B (en) * | 2021-08-24 | 2023-11-21 | 厦门华夏国际电力发展有限公司 | Replacement method and debugging assembly of valve electric actuator without shutdown |
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